... -120V, 60HZ. we can customerize the voltage, for example, 3 phase,230V/400V.(2)Output power: ... stack length.(3)Insulation class: B, F, H, our usaual is B class(4)protection class: IP42, ... protection: 135oC±5oC, 135oC±5oC,(6)optimum temperature: B class is -40oC to +60oC. F class: - ... : P4 : Motor pole numbe, 2,4,6,8 poles3. Products Display4. Factory Production Display Dia72-180 fan blower motor